A man takes a picture of his son in front of an AUDI S6 car during the 15th Shanghai International Automobile Industry Exhibition in Shanghai April 21, 2013.(CARLOS BARRIA/Reuters)

Audi display at the Shanghai auto show. Germany's Audi is bracing for long stagnation in Europe, though trusts that continued growth in China will help offset slumping auto demand in its core region, its CEO said on Saturday.(CARLOS BARRIA/Reuters)

A Great Wall H7 SUV on display at the Shanghai auto show. The Chinese brand, which exports SUVs to 80 countries, unveiled the H7 and its sister sport model, the H6, on Saturday ahead of the Shanghai auto show.(Eugene Hoshiko/AP Photo)